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  <title>获取互联网主机名对应的 IPv4 地址列表</title>
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 <body class="docs"><div id="layout">
  <div id="layout-content"><div id="function.gethostbynamel" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">gethostbynamel</h1>
  <p class="verinfo">(PHP 4, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">gethostbynamel</span> &mdash; <span class="dc-title">
    获取互联网主机名对应的 IPv4 地址列表
  </span></p>

 </div>
 <div class="refsect1 description" id="refsect1-function.gethostbynamel-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>gethostbynamel</strong></span>
    ( <span class="methodparam"><span class="type">string</span> <code class="parameter">$hostname</code></span>
   ) : <span class="type">array</span></div>

  <p class="para rdfs-comment">
    返回互联网主机名 <code class="parameter">hostname</code> 解析出来的 IPv4 地址列表。
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-function.gethostbynamel-parameters">
  <h3 class="title">参数</h3>
  <p class="para">
   <dl>

    
     <dt>
<code class="parameter">hostname</code></dt>

     <dd>

      <p class="para">
       主机名。
      </p>
     </dd>

    
   </dl>

  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.gethostbynamel-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   返回 IPv4 地址数组，
   或在 <code class="parameter">hostname</code> 无法解析时返回 <strong><code>FALSE</code></strong>。
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-function.gethostbynamel-examples">
  <h3 class="title">范例</h3>
  <p class="para">
   <div class="example" id="example-5486">
    <p><strong>Example #1 <span class="function"><strong>gethostbynamel()</strong></span> 例子</strong></p>
    <div class="example-contents">
<div class="phpcode"><pre><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br />$hosts&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">gethostbynamel</span><span style="color: #007700">(</span><span style="color: #DD0000">'www.example.com'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">$hosts</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</pre></div>
    </div>

    <div class="example-contents"><p>以上例程会输出：</p></div>
    <div class="example-contents screen">
<div class="cdata"><pre>
Array
(
    [0] =&gt; 192.0.34.166
)
</pre></div>
    </div>
   </div>
  </p>
 </div>


 <div class="refsect1 seealso" id="refsect1-function.gethostbynamel-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"><span class="function"><a href="gethostbyname.html" class="function" rel="rdfs-seeAlso">gethostbyname()</a> - 返回主机名对应的 IPv4地址。</span></li>
    <li class="member"><span class="function"><a href="gethostbyaddr.html" class="function" rel="rdfs-seeAlso">gethostbyaddr()</a> - 获取指定的IP地址对应的主机名</span></li>
    <li class="member"><span class="function"><a href="checkdnsrr.html" class="function" rel="rdfs-seeAlso">checkdnsrr()</a> - 给指定的主机（域名）或者IP地址做DNS通信检查</span></li>
    <li class="member"><span class="function"><a href="getmxrr.html" class="function" rel="rdfs-seeAlso">getmxrr()</a> - 获取互联网主机名对应的 MX 记录</span></li>
    <li class="member">Linux 手册页 <em>named(8)</em></li>
   </ul>
  </p>
 </div>


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